Catalyst removal from alcohol alkoxylates using acid clays

Details Catalyst removal from alcohol alkoxylates using acid clays Catalyst removal from alcohol alkoxylates using acid clays

1992-10-01

1994-09-06

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568699, 568608, C07C 4311, C07C 4100

Patent

active

053449967

ABSTRACT:
The removal of basic alkaline earth metal catalysts from alcohol alkoxylate product streams using acid days wetted with water is described. The catalyst level may be reduced to 1 ppm or less in many instances. Effective acid days include, but are not limited to silica days, silica magnesia clays, alumina, montmorillonite days, mixtures thereof and the like. Contacting of the day with the alcohol alkoxylate may take place at ambient to 120.degree. C.

REFERENCES:
patent: 4507475 (1985-03-01), Straehle et al.
patent: 4528364 (1985-07-01), Prier
Kirk-Othmer Encyclopedia of Chemical Technology, Third Edition, vol. 6, Wiley-Interscience, New York, 1978, W. D. Keller, "Clays" pp. 190-206.
Chemical Abstracts, vol. 74, No. 12, Mar. 22, 1971, Columbus, Ohio, Abstract No. 54415k.
Patent Abstracts of Japan, vol. 5, No. 71 (C-54)(743), May 13, 1981, JP-A-56-022,323.
O. Neumuller, Rompps Chemie-Lexicon, Achte Auflage, Band 2, 1979, Franckh'sche Verlagshandlung Stuttgart, p. 1162, col. 2.

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